22102531049 has 2 divisors, whose sum is σ = 22102531050. Its totient is φ = 22102531048.

The previous prime is 22102531039. The next prime is 22102531069. The reversal of 22102531049 is 94013520122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20411265424 + 1691265625 = 142868^2 + 41125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22102531049 is a prime.

It is not a weakly prime, because it can be changed into another prime (22102531019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051265524 + 11051265525.

It is an arithmetic number, because the mean of its divisors is an integer number (11051265525).

Almost surely, 2^22102531049 is an apocalyptic number.

It is an amenable number.

22102531049 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102531049 is an equidigital number, since it uses as much as digits as its factorization.

22102531049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 22102531049 in words is "twenty-two billion, one hundred two million, five hundred thirty-one thousand, forty-nine".